MMBTRC105SS

{
  "schema_version": 1,
  "type": "component",
  "slug": "mmbtrc105ss",
  "title": "MMBTRC105SS",
  "brief": "YFW Digital Transistors, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistors-thyristors",
    "mmbtrc105ss",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MMBTRC105SS",
    "manufacturer": "YFW",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Digital Transistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603387719313866752",
    "parts": {
      "symbol": "mmbtrc105ss.kicad_sym",
      "footprint": "mmbtrc105ss.kicad_mod",
      "model_3d": "mmbtrc105ss-hero.glb",
      "model_3d_plain": "mmbtrc105ss-etched.glb",
      "model_3d_step": "mmbtrc105ss-etched.step",
      "model_3d_step_plain": "mmbtrc105ss.step",
      "lbr": "mmbtrc105ss.lbr"
    },
    "distributor_links": {
      "lcsc": "C25836773"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T16:24:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Base",
        "type": "input",
        "description": "Input pin of the built-in bias network (R1 = 2.2 kΩ for MMBTRC105SS), with input voltage limits of 12 V and -5 V as absolute maximum ratings."
      },
      {
        "number": "2",
        "name": "Emitter",
        "type": "passive",
        "description": "Common emitter of the transistor, which the datasheet labels as the common terminal of the built-in R1/R2 network (R2 = 47 kΩ for MMBTRC105SS)."
      },
      {
        "number": "3",
        "name": "Collector",
        "type": "output",
        "description": "Output pin with a maximum output voltage of 50 V and maximum output current of 100 mA (absolute maximum ratings, Ta = 25 °C)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin numbers are not printed in front of the labels in the extracted text; they are inferred from; The datasheet calls the emitter 'Common' and gives no explicit electrical limit for it; the descript; The datasheet covers six variants (MMBTRC101SS to 106SS) sharing one SOT-23 pinout. The R1/R2 and in"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0239,
        "at": "2026-10-18T16:21:55"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603387719313866752",
        "pages": 6,
        "sha256": "02a97b93bf0fe12b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mmbtrc105ss.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mmbtrc105ss-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "155a6bc4f9f2fc42b6cb3114aca2f1ac0455b26febd35c40707c7f3f41e05964",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "YFW",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "appearance": {
      "housing": {
        "quote": "SOT-23 Plastic Package Absolute Maximum Ratings (Ta = 25",
        "page": 1,
        "doc": "ds.pdf",
        "material": "Abs"
      },
      "version": 1,
      "datasheet_sha256": "02a97b93bf0fe12b15ce46159e841f20f7cc45162dc09ca6ebe167d6b5600731"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "02a97b93bf0fe12b15ce46159e841f20f7cc45162dc09ca6ebe167d6b5600731",
      "rows": [
        {
          "name": "DC Current Gain",
          "symbol": "GI",
          "kind": "electrical",
          "unit": "",
          "min": 80,
          "typ": null,
          "max": null,
          "conditions": "at VO = 5 V, IO = 10 mA (MMBTRC105SS)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Cutoff Current",
          "symbol": "IO(OFF)",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "at VO = 50 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 3.6,
          "conditions": "at VI = 5 V (MMBTRC105SS)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VO(ON)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "at IO = 10 mA, II = 0.5 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (ON)",
          "symbol": "VI(ON)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.1,
          "conditions": "at VO = 0.2 V, IO = 5 mA (MMBTRC105SS)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (OFF)",
          "symbol": "VI(OFF)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.5,
          "typ": null,
          "max": null,
          "conditions": "at VO = 5 V, IO = 0.1 mA (MMBTRC105SS~106SS)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (absolute maximum)",
          "symbol": "VO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (absolute maximum, MMBTRC105SS)",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": 12,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Power Dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mmbtrc105ss"
  ],
  "discovery_pitch": "MMBTRC105SS (YFW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mmbtrc105ss.kicad_sym",
    "mmbtrc105ss.kicad_mod",
    "mmbtrc105ss.glb",
    "mmbtrc105ss.step",
    "mmbtrc105ss.lbr",
    "docs/hero.png",
    "docs/mmbtrc105ss-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mmbtrc105ss-hero.glb",
    "mmbtrc105ss-hero.overlay.json",
    "mmbtrc105ss-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}